| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3644 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 545 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 {crab 3412 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 |
| This theorem is used by: unimax 4904 fnelfp 7184 fnelnfp 7186 fnse 8156 fin23lem30 10427 isf32lem5 10442 negn0 11752 ublbneg 13067 supminf 13069 sadval 16635 smuval 16660 dvdslcm 16782 dvdslcmf 16815 isprm2lem 16865 isacs1i 17840 isinito 18180 istermo 18181 subgacs 19380 nsgacs 19381 odngen 19800 sdrgacs 21067 lssacs 21251 ssdifidllem 21649 mretopd 23419 txkgen 23980 xkoco1cn 23985 xkoco2cn 23986 xkoinjcn 24015 ordthmeolem 24129 shft2rab 25838 sca2rab 25842 lhop1lem 26342 ftalem5 27413 vmasum 27552 eqcuts2 28181 elmade 28252 addonbday 28674 israg 29181 ebtwntg 29569 eupth2lem3lem3 30840 eupth2lem3lem4 30841 eupth2lem3lem6 30843 cycpmco2lem1 33737 cycpmco2lem4 33740 cycpmco2 33744 1arithufdlem2 34127 tgoldbachgt 35342 cvmliftmolem1 36136 onprcr 36552 nmulr0 37040 neibastop3 37246 fdc 38788 pclvalN 41056 dvhb1dimN 42152 hdmaplkr 43079 aks4d1p8 43246 sticksstones1 43305 fsuppssind 43730 diophren 43929 islmodfg 44180 fsovcnvlem 45122 ntrneiel 45190 radcnvrat 45407 supminfxr 46582 stoweidlem34 47152 |
| Copyright terms: Public domain | W3C validator |